561126042248 has 108 divisors (see below), whose sum is σ = 1136065870485. Its totient is φ = 259789952448.

The previous prime is 561126042241. The next prime is 561126042251. The reversal of 561126042248 is 842240621165.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 532260711844 + 28865330404 = 729562^2 + 169898^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=529682.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561126042241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2133558965 + ... + 2133559227.

Almost surely, 2^561126042248 is an apocalyptic number.

It is an amenable number.

561126042248 is an abundant number, since it is smaller than the sum of its proper divisors (574939828237).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561126042248 is an equidigital number, since it uses as much as digits as its factorization.

561126042248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 561126042248 in words is "five hundred sixty-one billion, one hundred twenty-six million, forty-two thousand, two hundred forty-eight".